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WCF interview questions

WCF interview questions.

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1.

What is WCF?

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2.

What are WCF Service Endpoints?

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3.

What is a service contract in WCF?

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4.

Provide some scenarios when we could use WCF services

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5.

Could you name basic WCF service components?

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6.

What are the features and advantage of WCF?

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7.

Explain what is SOA?

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8.

Compare WCF vs ASP.NET Web API?

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9.

Is it True that ASP.NET Web API has Replaced WCF?

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10.

What is transport in WCF?

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11.

When DataContract and ServiceContract should be used in an application ?

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12.

What are the Possible Ways of Hosting a WCF Service?

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13.

Explain the difference between WCF vs ASP.NET Web API?

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14.

What is Message Contract in WCF?

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15.

Name some different types of contracts in WCF

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16.

What is an Operation Contract in WCF?

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17.

What is WCF Data Contract?

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18.

Why we need Streaming?

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19.

Explain WCF Message exchange Pattern

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20.

What is meant by WS-*?

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21.

What is WCF Binding and how many of them do you know?

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22.

What are the differences between WCF and ASMX Web Services?

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23.

Why we need Fault Contracts in WCF? Why not just use error codes?

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24.

When would we use binary encoder?

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25.

Can I use MessageContract instead of DataContract or in complement to DataContract?

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26.

Will it make any difference if I change the operation contract of methods having no return value by OperationContract (IsOneWay=true)?

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27.

When would you use Duplex WCF service?

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28.

What is interoperability and how is it achieved with WCF services?

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29.

Explain Message Encoding in WCF and when to use one?

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30.

What replaces WCF in .Net Core?

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31.

Could we use WSHttpBinding with Request-CallBack (also called Duplex) exchange pattern?

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32.

Explain Binary vs MTOM vs Streaming in WCF?

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33.

Should I use WCF or raw sockets?

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34.

What is the difference between hosting WCF service on IIS, Windows Service and self-hosted app?

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35.

What is the main difference between Request-Response and Duplex in WCF Message Exchange Pattern?

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